}
      }
    ```

### Posting a File ([.kt][PostFileKotlin], [.java][PostFileJava])

It's easy to use a file as a request body.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {
        val file = File("README.md")

        val request = Request.Builder()

@DisplayName("ACE Interface Comprehensive Tests")
class ACETest {

    @Nested
    @DisplayName("File Access Constants Tests")
    class FileAccessConstantsTests {

        @Test
        @DisplayName("Should have correct values for file access constants")
        void shouldHaveCorrectFileAccessConstants() {
            // Basic file operations (bits 0-8)

import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

/**
 * Parser for Google Search Appliance (GSA) configuration files.
 * This SAX-based parser reads GSA XML configuration files and converts them into
 * Fess configuration objects including web crawling configurations, file crawling
 * configurations, and label types for access control.
 *
 * <p>The parser handles the following GSA configuration elements:
 * <ul>

                setField(resp, jcifs.internal.smb1.trans.SmbComTransactionResponse.class, "status", 0);
            } else {
                // second next -> no more files
                setField(resp, jcifs.internal.smb1.trans.SmbComTransactionResponse.class, "status", NtStatus.NT_STATUS_NO_MORE_FILES);
                setField(resp, Trans2FindFirst2Response.class, "lastName", null);
            }

            assertDoesNotThrow(() -> SmbCopyUtil.copyFile(src, dest, buffers, 8, new WriterThread(), sh, dh));
        }
    }

    // --- Server-side copy path (SMB2 + same tree) for zero-length files ---

    @Test
    @DisplayName("copyFile uses server-side copy for zero-length and returns")
    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange

	  }
	  public static void main( String[] args ) throws Exception
	  {
	    setDefault( new Downloader() );
	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
	  }
	}
	END
  # For Cygwin/MinGW, switch paths to Windows format before running javac and java

     */
    public void store(final String dictId, final StemmerOverrideItem stemmerOvberrideItem) {
        getStemmerOverrideFile(dictId).ifPresent(file -> {
            if (stemmerOvberrideItem.getId() == 0) {
                file.insert(stemmerOvberrideItem);
            } else {
                file.update(stemmerOvberrideItem);
            }
        });
    }

    /**

        getStopwordsFile(dictId).ifPresent(file -> {
            if (stopwordsItem.getId() == 0) {
                file.insert(stopwordsItem);
            } else {
                file.update(stopwordsItem);
            }
        });
    }

    /**
     * Deletes a stopword item from the specified dictionary.
     *
     * @param dictId        The ID of the dictionary.

        return getSynonymFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a synonym item in the specified dictionary.
     *
     * @param dictId      The ID of the dictionary.
     * @param synonymItem The synonym item to store.
     */
    public void store(final String dictId, final SynonymItem synonymItem) {
        getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {

                logger.info("Flushed config files.");
            } else {
                logger.warn("Failed to flush config files.");
            }
        } catch (final Exception e) {
            logger.warn("Failed to flush config files.", e);
        }
    }

    /**
     * Flushes configuration files to the search engine and executes a callback.
     *